Não informado. (1987). Eastern European Politics and Societies. University of California Press.
Chicago-referens (17:e uppl.)Não informado. Eastern European Politics and Societies. Berkeley, Calif: University of California Press, 1987.
MLA-referens (8:e uppl.)Não informado. Eastern European Politics and Societies. University of California Press, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.